18114170387 has 4 divisors (see below), whose sum is σ = 18698498496. Its totient is φ = 17529842280.

The previous prime is 18114170363. The next prime is 18114170419. The reversal of 18114170387 is 78307141181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18114170387 - 2¹⁶ = 18114104851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18114170587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292164008 + ... + 292164069.

It is an arithmetic number, because the mean of its divisors is an integer number (4674624624).

Almost surely, 2^18114170387 is an apocalyptic number.

18114170387 is a deficient number, since it is larger than the sum of its proper divisors (584328109).

18114170387 is an equidigital number, since it uses as much as digits as its factorization.

18114170387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584328108.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 18114170387 in words is "eighteen billion, one hundred fourteen million, one hundred seventy thousand, three hundred eighty-seven".